package com.gao.filters;

import org.springframework.web.filter.OncePerRequestFilter;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * SpringMVC 过滤器
 *
 * @author GaoXi
 * @date 2021/8/18 17:24
 */
public class MyFilter extends OncePerRequestFilter {

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
        throws ServletException, IOException {

        System.out.println("过滤器前");

        filterChain.doFilter(request,response);

        System.out.println("过滤器后");
    }
}
